| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.solr.common; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.solr.common.SolrException.ErrorCode; |
| import org.apache.solr.common.util.SimpleOrderedMap; |
| |
| import static org.apache.solr.common.params.CommonParams.ID; |
| |
| /** |
| * Models the basic information related to a single "tolerated" error that occurred during updates. |
| * This class is only useful when the <code>TolerantUpdateProcessorFactory</code> is used in an update |
| * processor chain |
| */ |
| public final class ToleratedUpdateError { |
| |
| private final static String META_PRE = ToleratedUpdateError.class.getName() + "--"; |
| private final static int META_PRE_LEN = META_PRE.length(); |
| |
| /** |
| * Given a 'maxErrors' value such that<code>-1 <= maxErrors <= {@link Integer#MAX_VALUE}</code> |
| * this method returns the original input unless it is <code>-1</code> in which case the effective value of |
| * {@link Integer#MAX_VALUE} is returned. |
| * Input of <code>maxErrors < -1</code> will trip an assertion and otherwise have undefined behavior. |
| * @see #getUserFriendlyMaxErrors |
| */ |
| public static int getEffectiveMaxErrors(int maxErrors) { |
| assert -1 <= maxErrors; |
| return -1 == maxErrors ? Integer.MAX_VALUE : maxErrors; |
| } |
| |
| /** |
| * Given a 'maxErrors' value such that<code>-1 <= maxErrors <= {@link Integer#MAX_VALUE}</code> |
| * this method returns the original input unless it is {@link Integer#MAX_VALUE} in which case |
| * <code>-1</code> is returned for user convinience. |
| * Input of <code>maxErrors < -1</code> will trip an assertion and otherwise have undefined behavior. |
| * @see #getEffectiveMaxErrors |
| */ |
| public static int getUserFriendlyMaxErrors(int maxErrors) { |
| assert -1 <= maxErrors; |
| return Integer.MAX_VALUE == maxErrors ? -1 : maxErrors; |
| } |
| |
| /** |
| * returns a list of maps of simple objects suitable for putting in a SolrQueryResponse header |
| * @see #getSimpleMap |
| * @see #parseMap |
| */ |
| public static List<SimpleOrderedMap<String>> formatForResponseHeader(List<ToleratedUpdateError> errs) { |
| List<SimpleOrderedMap<String>> result = new ArrayList<>(errs.size()); |
| for (ToleratedUpdateError e : errs) { |
| result.add(e.getSimpleMap()); |
| } |
| return result; |
| } |
| |
| /** |
| * returns a ToleratedUpdateError instance from the data in this Map |
| * @see #getSimpleMap |
| */ |
| public static ToleratedUpdateError parseMap(SimpleOrderedMap<String> data) { |
| final String id = data.get(ID); |
| final String message = data.get("message"); |
| final String t = data.get("type"); |
| if (null == t || null == id || null == message) { |
| throw new SolrException(ErrorCode.SERVER_ERROR, "Map does not represent a ToleratedUpdateError, must contain 'type', 'id', and 'message'"); |
| } |
| try { |
| return new ToleratedUpdateError(CmdType.valueOf(t), id, message); |
| } catch (IllegalArgumentException iae) { |
| throw new SolrException(ErrorCode.SERVER_ERROR, "Invalid type for ToleratedUpdateError: " + t, iae); |
| } |
| } |
| |
| /** |
| * returns a ToleratedUpdateError instance if this metadataKey is one we care about, else null |
| * @see #getMetadataKey |
| * @see #getMetadataValue |
| */ |
| public static ToleratedUpdateError parseMetadataIfToleratedUpdateError(String metadataKey, |
| String metadataVal) { |
| if (! metadataKey.startsWith(META_PRE)) { |
| return null; // not a key we care about |
| } |
| final int typeEnd = metadataKey.indexOf(':', META_PRE_LEN); |
| if (typeEnd < 0) { |
| return null; // has our prefix, but not our format -- must not be a key we (actually) care about |
| } |
| return new ToleratedUpdateError(CmdType.valueOf(metadataKey.substring(META_PRE_LEN, typeEnd)), |
| metadataKey.substring(typeEnd+1), metadataVal); |
| } |
| |
| private final CmdType type; |
| private final String id; |
| private final String message; |
| |
| public ToleratedUpdateError(CmdType type, String id, String message) { |
| assert null != type; |
| this.type = type; |
| |
| assert null != id; |
| this.id = id; |
| |
| assert null != message; |
| this.message = message; |
| } |
| |
| public CmdType getType() { |
| return type; |
| } |
| public String getId() { |
| return id; |
| } |
| public String getMessage() { |
| return message; |
| } |
| |
| /** |
| * returns a string suitable for use as a key in {@link SolrException#setMetadata} |
| * |
| * @see #parseMetadataIfToleratedUpdateError |
| */ |
| public String getMetadataKey() { |
| return META_PRE + type + ":" + id; |
| } |
| |
| /** |
| * returns a string suitable for use as a value in {@link SolrException#setMetadata} |
| * |
| * @see #parseMetadataIfToleratedUpdateError |
| */ |
| public String getMetadataValue() { |
| return message.toString(); |
| } |
| |
| /** |
| * returns a map of simple objects suitable for putting in a SolrQueryResponse header |
| * @see #formatForResponseHeader |
| * @see #parseMap |
| */ |
| public SimpleOrderedMap<String> getSimpleMap() { |
| SimpleOrderedMap<String> entry = new SimpleOrderedMap<String>(); |
| entry.add("type", type.toString()); |
| entry.add(ID, id); |
| entry.add("message", message); |
| return entry; |
| } |
| |
| public String toString() { |
| return getMetadataKey() + "=>" + getMetadataValue(); |
| } |
| |
| public int hashCode() { |
| int h = this.getClass().hashCode(); |
| h = h * 31 + type.hashCode(); |
| h = h * 31 + id.hashCode(); |
| h = h * 31 + message.hashCode(); |
| return h; |
| } |
| |
| public boolean equals(Object o) { |
| if (o instanceof ToleratedUpdateError) { |
| ToleratedUpdateError that = (ToleratedUpdateError)o; |
| return that.type.equals(this.type) |
| && that.id.equals(this.id) |
| && that.message.equals(this.message); |
| } |
| return false; |
| } |
| |
| /** |
| * Helper class for dealing with SolrException metadata (String) keys |
| */ |
| public static enum CmdType { |
| ADD, DELID, DELQ; |
| |
| // if we add support for things like commit, parsing/toString/hashCode logic |
| // needs to be smarter to account for 'id' being null ... "usesId" should be a prop of enum instances |
| } |
| } |
| |
| |